From 5f6ae96bab32bcb2871359e2381498a9c0e52af9 Mon Sep 17 00:00:00 2001
From: Vernon Tang <vt@foilhead.net>
Date: Mon, 25 Apr 2011 13:31:34 +1000
Subject: [PATCH] Set SO_PASSCRED on the uevent socket. (needed for change
 I393c21da)

Change-Id: I09a8a6d7c654869a40339adce181e6b981f10369
---
 NetlinkManager.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/NetlinkManager.cpp b/NetlinkManager.cpp
index 36db0ff..9fb86ae 100644
--- a/NetlinkManager.cpp
+++ b/NetlinkManager.cpp
@@ -50,6 +50,7 @@ NetlinkManager::~NetlinkManager() {
 int NetlinkManager::start() {
     struct sockaddr_nl nladdr;
     int sz = 64 * 1024;
+    int on = 1;
 
     memset(&nladdr, 0, sizeof(nladdr));
     nladdr.nl_family = AF_NETLINK;
@@ -62,7 +63,8 @@ int NetlinkManager::start() {
         return -1;
     }
 
-    if (setsockopt(mSock, SOL_SOCKET, SO_RCVBUFFORCE, &sz, sizeof(sz)) < 0) {
+    if (setsockopt(mSock, SOL_SOCKET, SO_RCVBUFFORCE, &sz, sizeof(sz)) < 0 ||
+        setsockopt(mSock, SOL_SOCKET, SO_PASSCRED, &on, sizeof(on)) < 0) {
         SLOGE("Unable to set uevent socket options: %s", strerror(errno));
         return -1;
     }